Respirator mask having an exhalation port



FIG. 1 is a perspective view showing the new design for a respiratormask having an exhalation port;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof, the left side being a mirror imagethereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines in the drawings illustrate portions of the respiratormask having an exhalation port that form no part of the claimed design.

CLAIM The ornamental design for a respirator mask having an exhalationport, as shown and described.